EP0052699A3 - Display system including a refresh memory with variable line start addressing - Google Patents
Display system including a refresh memory with variable line start addressing Download PDFInfo
- Publication number
- EP0052699A3 EP0052699A3 EP81106433A EP81106433A EP0052699A3 EP 0052699 A3 EP0052699 A3 EP 0052699A3 EP 81106433 A EP81106433 A EP 81106433A EP 81106433 A EP81106433 A EP 81106433A EP 0052699 A3 EP0052699 A3 EP 0052699A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- system including
- display system
- line start
- refresh memory
- variable line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/22—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of characters or indicia using display control signals derived from coded signals representing the characters or indicia, e.g. with a character-code memory
- G09G5/222—Control of the character-code memory
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Controls And Circuits For Display Device (AREA)
- Document Processing Apparatus (AREA)
- Digital Computer Display Output (AREA)
- Image Generation (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/208,894 US4368466A (en) | 1980-11-20 | 1980-11-20 | Display refresh memory with variable line start addressing |
US208894 | 1980-11-20 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0052699A2 EP0052699A2 (en) | 1982-06-02 |
EP0052699A3 true EP0052699A3 (en) | 1983-03-23 |
EP0052699B1 EP0052699B1 (en) | 1986-08-27 |
Family
ID=22776475
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP81106433A Expired EP0052699B1 (en) | 1980-11-20 | 1981-08-19 | Display system including a refresh memory with variable line start addressing |
Country Status (5)
Country | Link |
---|---|
US (1) | US4368466A (en) |
EP (1) | EP0052699B1 (en) |
JP (1) | JPS5796388A (en) |
CA (1) | CA1169594A (en) |
DE (1) | DE3175214D1 (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0095931B1 (en) * | 1982-05-31 | 1991-04-17 | Fuji Xerox Co., Ltd. | Picture data storage system |
US4594656A (en) * | 1982-06-14 | 1986-06-10 | Moffett Richard C | Memory refresh apparatus |
JPS59218493A (en) * | 1983-05-25 | 1984-12-08 | シャープ株式会社 | Graphic display information memory system |
WO1984004832A1 (en) * | 1983-05-25 | 1984-12-06 | Ramtek Corp | Vector attribute generating method and apparatus |
US4857910A (en) * | 1983-12-19 | 1989-08-15 | Pitney Bowes Inc. | Bit-map CRT display control |
US4860248A (en) * | 1985-04-30 | 1989-08-22 | Ibm Corporation | Pixel slice processor with frame buffers grouped according to pixel bit width |
JPS62194284A (en) * | 1986-02-21 | 1987-08-26 | 株式会社日立製作所 | Display address controller |
JPS6352179A (en) * | 1986-08-22 | 1988-03-05 | フアナツク株式会社 | Arrangement of ram for display |
JPH01195497A (en) * | 1988-01-29 | 1989-08-07 | Nec Corp | Display control device |
US5283885A (en) * | 1988-09-09 | 1994-02-01 | Werner Hollerbauer | Storage module including a refresh device for storing start and stop refresh addresses |
US5896118A (en) * | 1988-10-31 | 1999-04-20 | Canon Kabushiki Kaisha | Display system |
US5124688A (en) * | 1990-05-07 | 1992-06-23 | Mass Microsystems | Method and apparatus for converting digital YUV video signals to RGB video signals |
US5680161A (en) * | 1991-04-03 | 1997-10-21 | Radius Inc. | Method and apparatus for high speed graphics data compression |
US5170251A (en) * | 1991-05-16 | 1992-12-08 | Sony Corporation Of America | Method and apparatus for storing high definition video data for interlace or progressive access |
US6392650B1 (en) * | 1999-05-14 | 2002-05-21 | National Semiconductor Corporation | Character line address counter clock signal generator for on screen displays |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0031011A2 (en) * | 1979-12-20 | 1981-07-01 | International Business Machines Corporation | Cathode ray tube display apparatus |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3683359A (en) * | 1971-04-30 | 1972-08-08 | Delta Data Syst | Video display terminal with automatic paging |
US3827041A (en) * | 1973-08-14 | 1974-07-30 | Teletype Corp | Display apparatus with visual segment indicia |
JPS5250641A (en) * | 1975-10-22 | 1977-04-22 | Fujitsu Ltd | Character pattern generating device |
JPS52116025A (en) * | 1976-03-25 | 1977-09-29 | Hitachi Ltd | Sectional display control system in display picture |
US4074254A (en) * | 1976-07-22 | 1978-02-14 | International Business Machines Corporation | Xy addressable and updateable compressed video refresh buffer for digital tv display |
US4117469A (en) * | 1976-12-20 | 1978-09-26 | Levine Michael R | Computer assisted display processor having memory sharing by the computer and the processor |
JPS5395528A (en) * | 1977-02-02 | 1978-08-21 | Hitachi Ltd | Character display unit |
US4203107A (en) * | 1978-11-08 | 1980-05-13 | Zentec Corporation | Microcomputer terminal system having a list mode operation for the video refresh circuit |
US4249172A (en) * | 1979-09-04 | 1981-02-03 | Honeywell Information Systems Inc. | Row address linking control system for video display terminal |
-
1980
- 1980-11-20 US US06/208,894 patent/US4368466A/en not_active Expired - Lifetime
-
1981
- 1981-08-18 JP JP56128253A patent/JPS5796388A/en active Pending
- 1981-08-19 DE DE8181106433T patent/DE3175214D1/en not_active Expired
- 1981-08-19 EP EP81106433A patent/EP0052699B1/en not_active Expired
- 1981-09-09 CA CA000385517A patent/CA1169594A/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0031011A2 (en) * | 1979-12-20 | 1981-07-01 | International Business Machines Corporation | Cathode ray tube display apparatus |
Non-Patent Citations (2)
Title |
---|
IBM TECHNICAL DISCLOSURE BULLETIN, vol. 21, no. 11, April 1979, pages 4330-4331, New York (USA); * |
IBM TECHNICAL DISCLOSURE BULLETIN, vol. 23, no. 6, November 1980, pages 2507-2508, New York (USA); * |
Also Published As
Publication number | Publication date |
---|---|
CA1169594A (en) | 1984-06-19 |
JPS5796388A (en) | 1982-06-15 |
EP0052699A2 (en) | 1982-06-02 |
DE3175214D1 (en) | 1986-10-02 |
US4368466A (en) | 1983-01-11 |
EP0052699B1 (en) | 1986-08-27 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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17P | Request for examination filed |
Effective date: 19810819 |
|
AK | Designated contracting states |
Designated state(s): DE FR GB IT |
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PUAL | Search report despatched |
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ITF | It: translation for a ep patent filed |
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ET | Fr: translation filed | ||
PLBE | No opposition filed within time limit |
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STAA | Information on the status of an ep patent application or granted ep patent |
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